Niche FOSS Android apps that are useful

These are some of the apps that I use daily. Suggest yours and I will add it to the list.

• URLCheck - Set it as your default browser and quickly analyze links, remove tracking params and more.
• SMS Import/Export - SMS Import / Export imports and exports SMS and MMS messages, call logs, and contacts from and to JSON files.
• InnerTube - With this app, you're like getting a free music streaming service. You can listen to music from YouTube Music and build your own library.
• Loop Habit Tracker - Loop Habit Tracker helps you create and maintain long-term positive habits in your life.
• Coffee - Coffee allows you to keep the display awake without having to change the device settings.
• Private DNS Quick Settings Toggle - Adds a Private DNS quick tile to the Android Quick Settings. (By ryuko)
• Noice - Noice is an app that allows you to create personalised sound environments. It enables you to combine different sounds at different volume levels to create perfect ambient atmospheres. (By OsrsNeedsF2P)
• Organic Maps - Open-source, community-driven maps for travelers, tourists, cyclists & hikers based on OSM (By vxnxnt)
• Feeder - Simple RSS Reader (By drilly)
• UntrackMe - UntrackMe once set by default to open Twitter, YouTube and Instagram links will transform them into Nitter, Invidious and Bibliogram links and delegate the action to another app (By https://lemmy.ml/u/shreddy_scientist)
• Did I take my meds? - Did I Take My Meds? helps keep track of when to take medications. It is designed to help prevent a user from skipping doses and/or overdosing (By Velveteen)